Here are all the options parts for the Xray XB4 2020 and olders
Reference 06363353-G
Brand: XRAY
COMPOSITE UPRIGHT REAR - GRAPHITE - 363353-G
Reference 06365878
Brand: XRAY
COMPOSITE 3-PAD SLIPPER CLUTCH SPUR GEAR 78T / 48 - 365878
Reference 06323522
Brand: XRAY
LEXAN REAR WING 0.5mm - LUSH - 323522
Reference 06363114-G
Brand: XRAY
SUSPENSION ARM REAR LOWER RIGHT - 3-HOLE - GRAPHITE - 363114-G
Reference 06362112
Brand: XRAY
COMPOSITE SUSPENSION ARM FRONT LOWER - 362112
Reference 06362112-G
Brand: XRAY
COMPOSITE SUSPENSION ARM FRONT LOWER - GRAPHITE - 362112-G
Reference 06329901-H
Brand: XRAY
2WD/4WD REAR WHEEL WITH 12MM HEX - WHITE -HARD (10) - 329901-H
Reference 06335080
Brand: XRAY
DIFF PIN (2) - 335080
Reference 06353561
Brand: XRAY
ALU REAR WING SHIM (2) - 353561
Reference 06359210
Brand: XRAY
XRAY PREMIUM SILICONE OIL 100 cSt --- Replaced with #106310 - 359210
Reference 06364981
Brand: XRAY
COMPOSITE CENTER DIFF SPUR GEAR 81T / 48 - 364981
Reference 06940512
Brand: XRAY
BALL-BEARING 5x12x4 RUBBER SEALED - OIL (2) - 940512